Az cli error 'No module named 'msrestazure'' #31797
Description
Describe the bug
When running the following command, az cli errors off with the traceback: No module named 'msrestazure'
az aks list -o table
Related command
az aks list -o table
Errors
The command failed with an unexpected error. Here is the traceback:
No module named 'msrestazure'
Traceback (most recent call last):
File "/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/lib/python3.12/site-packages/knack/cli.py", line 233, in invoke
cmd_result = self.invocation.execute(args)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/lib/python3.12/site-packages/azure/cli/core/commands/init.py", line 564, in execute
self.commands_loader.load_arguments(command)
File "/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/lib/python3.12/site-packages/azure/cli/core/init.py", line 552, in load_arguments
self.command_table[command].load_arguments() # this loads the arguments via reflection
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/lib/python3.12/site-packages/azure/cli/core/commands/init.py", line 321, in load_arguments
super().load_arguments()
File "/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/lib/python3.12/site-packages/knack/commands.py", line 104, in load_arguments
cmd_args = self.arguments_loader()
^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/lib/python3.12/site-packages/azure/cli/core/commands/command_operation.py", line 124, in arguments_loader
op = self.get_op_handler(self.op_path)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/lib/python3.12/site-packages/azure/cli/core/commands/command_operation.py", line 59, in get_op_handler
handler = import_module(mod_to_import)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/Cellar/[email protected]/3.12.11/Frameworks/Python.framework/Versions/3.12/lib/python3.12/importlib/init.py", line 90, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "", line 1387, in _gcd_import
File "", line 1360, in _find_and_load
File "", line 1331, in _find_and_load_unlocked
File "", line 935, in _load_unlocked
File "", line 999, in exec_module
File "", line 488, in _call_with_frames_removed
File "/Users/USERNAME/.azure/cliextensions/aks-preview/azext_aks_preview/custom.py", line 61, in
from azext_aks_preview._podidentity import (
File "/Users/USERNAME/.azure/cliextensions/aks-preview/azext_aks_preview/_podidentity.py", line 16, in
from azext_aks_preview._roleassignments import add_role_assignment
File "/Users/USERNAME/.azure/cliextensions/aks-preview/azext_aks_preview/_roleassignments.py", line 18, in
from msrestazure.azure_exceptions import CloudError
ModuleNotFoundError: No module named 'msrestazure'
Issue script & Debug output
cli.knack.cli: Command arguments: ['aks', 'list', '-o', 'table', '--debug']
cli.knack.cli: init debug log:
Enable color in terminal.
cli.knack.cli: Event: Cli.PreExecute []
cli.knack.cli: Event: CommandParser.OnGlobalArgumentsCreate [<function CLILogging.on_global_arguments at 0x102d4b2e0>, <function OutputProducer.on_global_arguments at 0x1030b8360>, <function CLIQuery.on_global_arguments at 0x1030d9b20>]
cli.knack.cli: Event: CommandInvoker.OnPreCommandTableCreate []
cli.azure.cli.core: Modules found from index for 'aks': ['azext_aks_preview', 'azure.cli.command_modules.acs', 'azure.cli.command_modules.serviceconnector']
cli.azure.cli.core: Loading command modules:
cli.azure.cli.core: Name Load Time Groups Commands
cli.azure.cli.core: acs 0.065 15 79
cli.azure.cli.core: serviceconnector 0.053 20 331
cli.azure.cli.core: Total (2) 0.118 35 410
cli.azure.cli.core: These extensions are not installed and will be skipped: ['azext_ai_examples', 'azext_next']
cli.azure.cli.core: Loading extensions:
cli.azure.cli.core: Name Load Time Groups Commands Directory
cli.knack.cli: Event: CommandLoader.OnLoadCommandTable []
cli.azure.cli.core: aks-preview 0.005 18 91 /Users/USERNAME/.azure/cliextensions/aks-preview
cli.azure.cli.core: Total (1) 0.005 18 91
cli.azure.cli.core: Loaded 39 groups, 434 commands.
cli.azure.cli.core: Found a match in the command table.
cli.azure.cli.core: Raw command : aks list
cli.azure.cli.core: Command table: aks list
cli.knack.cli: Event: CommandInvoker.OnPreCommandTableTruncate [<function AzCliLogging.init_command_file_logging at 0x104507ba0>]
cli.azure.cli.core.azlogging: metadata file logging enabled - writing logs to '/Users/USERNAME/.azure/commands/2025-07-11.21-39-24.aks_list.99203.log'.
az_command_data_logger: command args: aks list -o {} --debug
cli.knack.cli: Event: CommandInvoker.OnPreArgumentLoad [<function register_global_subscription_argument..add_subscription_parameter at 0x1045587c0>]
cli.azure.cli.core.azclierror: Traceback (most recent call last):
File "/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/lib/python3.12/site-packages/knack/cli.py", line 233, in invoke
cmd_result = self.invocation.execute(args)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/lib/python3.12/site-packages/azure/cli/core/commands/init.py", line 564, in execute
self.commands_loader.load_arguments(command)
File "/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/lib/python3.12/site-packages/azure/cli/core/init.py", line 552, in load_arguments
self.command_table[command].load_arguments() # this loads the arguments via reflection
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/lib/python3.12/site-packages/azure/cli/core/commands/init.py", line 321, in load_arguments
super().load_arguments()
File "/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/lib/python3.12/site-packages/knack/commands.py", line 104, in load_arguments
cmd_args = self.arguments_loader()
^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/lib/python3.12/site-packages/azure/cli/core/commands/command_operation.py", line 124, in arguments_loader
op = self.get_op_handler(self.op_path)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/lib/python3.12/site-packages/azure/cli/core/commands/command_operation.py", line 59, in get_op_handler
handler = import_module(mod_to_import)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/Cellar/[email protected]/3.12.11/Frameworks/Python.framework/Versions/3.12/lib/python3.12/importlib/init.py", line 90, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "", line 1387, in _gcd_import
File "", line 1360, in _find_and_load
File "", line 1331, in _find_and_load_unlocked
File "", line 935, in _load_unlocked
File "", line 999, in exec_module
File "", line 488, in _call_with_frames_removed
File "/Users/USERNAME/.azure/cliextensions/aks-preview/azext_aks_preview/custom.py", line 61, in
from azext_aks_preview._podidentity import (
File "/Users/USERNAME/.azure/cliextensions/aks-preview/azext_aks_preview/_podidentity.py", line 16, in
from azext_aks_preview._roleassignments import add_role_assignment
File "/Users/USERNAME/.azure/cliextensions/aks-preview/azext_aks_preview/_roleassignments.py", line 18, in
from msrestazure.azure_exceptions import CloudError
ModuleNotFoundError: No module named 'msrestazure'
cli.azure.cli.core.azclierror: The command failed with an unexpected error. Here is the traceback:
az_command_data_logger: The command failed with an unexpected error. Here is the traceback:
cli.azure.cli.core.azclierror: No module named 'msrestazure'
Traceback (most recent call last):
File "/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/lib/python3.12/site-packages/knack/cli.py", line 233, in invoke
cmd_result = self.invocation.execute(args)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/lib/python3.12/site-packages/azure/cli/core/commands/init.py", line 564, in execute
self.commands_loader.load_arguments(command)
File "/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/lib/python3.12/site-packages/azure/cli/core/init.py", line 552, in load_arguments
self.command_table[command].load_arguments() # this loads the arguments via reflection
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/lib/python3.12/site-packages/azure/cli/core/commands/init.py", line 321, in load_arguments
super().load_arguments()
File "/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/lib/python3.12/site-packages/knack/commands.py", line 104, in load_arguments
cmd_args = self.arguments_loader()
^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/lib/python3.12/site-packages/azure/cli/core/commands/command_operation.py", line 124, in arguments_loader
op = self.get_op_handler(self.op_path)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/lib/python3.12/site-packages/azure/cli/core/commands/command_operation.py", line 59, in get_op_handler
handler = import_module(mod_to_import)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/Cellar/[email protected]/3.12.11/Frameworks/Python.framework/Versions/3.12/lib/python3.12/importlib/init.py", line 90, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "", line 1387, in _gcd_import
File "", line 1360, in _find_and_load
File "", line 1331, in _find_and_load_unlocked
File "", line 935, in _load_unlocked
File "", line 999, in exec_module
File "", line 488, in _call_with_frames_removed
File "/Users/USERNAME/.azure/cliextensions/aks-preview/azext_aks_preview/custom.py", line 61, in
from azext_aks_preview._podidentity import (
File "/Users/USERNAME/.azure/cliextensions/aks-preview/azext_aks_preview/_podidentity.py", line 16, in
from azext_aks_preview._roleassignments import add_role_assignment
File "/Users/USERNAME/.azure/cliextensions/aks-preview/azext_aks_preview/_roleassignments.py", line 18, in
from msrestazure.azure_exceptions import CloudError
ModuleNotFoundError: No module named 'msrestazure'
az_command_data_logger: No module named 'msrestazure'
Traceback (most recent call last):
File "/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/lib/python3.12/site-packages/knack/cli.py", line 233, in invoke
cmd_result = self.invocation.execute(args)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/lib/python3.12/site-packages/azure/cli/core/commands/init.py", line 564, in execute
self.commands_loader.load_arguments(command)
File "/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/lib/python3.12/site-packages/azure/cli/core/init.py", line 552, in load_arguments
self.command_table[command].load_arguments() # this loads the arguments via reflection
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/lib/python3.12/site-packages/azure/cli/core/commands/init.py", line 321, in load_arguments
super().load_arguments()
File "/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/lib/python3.12/site-packages/knack/commands.py", line 104, in load_arguments
cmd_args = self.arguments_loader()
^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/lib/python3.12/site-packages/azure/cli/core/commands/command_operation.py", line 124, in arguments_loader
op = self.get_op_handler(self.op_path)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/lib/python3.12/site-packages/azure/cli/core/commands/command_operation.py", line 59, in get_op_handler
handler = import_module(mod_to_import)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/Cellar/[email protected]/3.12.11/Frameworks/Python.framework/Versions/3.12/lib/python3.12/importlib/init.py", line 90, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "", line 1387, in _gcd_import
File "", line 1360, in _find_and_load
File "", line 1331, in _find_and_load_unlocked
File "", line 935, in _load_unlocked
File "", line 999, in exec_module
File "", line 488, in _call_with_frames_removed
File "/Users/USERNAME/.azure/cliextensions/aks-preview/azext_aks_preview/custom.py", line 61, in
from azext_aks_preview._podidentity import (
File "/Users/USERNAME/.azure/cliextensions/aks-preview/azext_aks_preview/_podidentity.py", line 16, in
from azext_aks_preview._roleassignments import add_role_assignment
File "/Users/USERNAME/.azure/cliextensions/aks-preview/azext_aks_preview/_roleassignments.py", line 18, in
from msrestazure.azure_exceptions import CloudError
ModuleNotFoundError: No module named 'msrestazure'
To check existing issues, please visit: https://github.com/Azure/azure-cli/issues
cli.knack.cli: Event: Cli.PostExecute [<function AzCliLogging.deinit_cmd_metadata_logging at 0x104507e20>]
az_command_data_logger: exit code: 1
cli.main: Command ran in 0.474 seconds (init: 0.162, invoke: 0.312)
telemetry.main: Begin splitting cli events and extra events, total events: 1
telemetry.client: Accumulated 0 events. Flush the clients.
telemetry.main: Finish splitting cli events and extra events, cli events: 1
telemetry.save: Save telemetry record of length 7983 in cache file under /Users/USERNAME/.azure/telemetry/20250711213924752
telemetry.main: Begin creating telemetry upload process.
telemetry.process: Creating upload process: "/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/bin/python /opt/homebrew/Cellar/azure-cli/2.75.0/libexec/lib/python3.12/site-packages/azure/cli/telemetry/init.py /Users/USERNAME/.azure /Users/USERNAME/.azure/telemetry/20250711213924752"
telemetry.process: Return from creating process 99208
telemetry.main: Finish creating telemetry upload process.
Expected behavior
When running the command, it is expected that the output would be a list of all the in-scoped aks clusters.
Environment Summary
azure-cli 2.75.0
core 2.75.0
telemetry 1.1.0
Extensions:
account 0.2.5
aks-preview 1.0.0b1
azure-devops 1.0.0
managementpartner 0.1.3
partnercenter 0.2.4
resource-graph 2.1.0
ssh 2.0.2
Dependencies:
msal 1.33.0b1
azure-mgmt-resource 23.3.0
Python location '/opt/homebrew/Cellar/azure-cli/2.75.0/libexec/bin/python'
Config directory '/Users/USERNAME/.azure'
Extensions directory '/Users/USERNAME/.azure/cliextensions'
Python (Darwin) 3.12.11 (main, Jun 3 2025, 15:41:47) [Clang 17.0.0 (clang-1700.0.13.3)]
Additional context
This error began after upgrading to this version of az cli with brew